package interfaces;
/**
 * The visualization class of the Cell, currently there is two subclasses of 
 * it,which are ColorDisplay and ImageDisplay.
 * The user can convert the Display class to subclass by calling is Color 
 * method.
 * 
 * The Display will be put into a hashmap inside the world as the value and 
 * the Key will be the name of the Cell.
 *
 */
public interface Display {
	/**
	 *  The tell if the Display is a ColorDisplay or 
	 *  ImageDisplay
	 * @return True if it is a ColorDisplay 
	 * False if it is a ImageDisplay
	 */
	
	public boolean isColor();
}
